This is the 3472nd most frequent French word.
coulon
"Coulon" is an archaic French word meaning "pigeon" or "dove".
Here, 'coulon' refers to a bird, specifically a pigeon, in a literal context describing its flying.
Le coulon vole haut dans le ciel.
The pigeon flies high in the sky.
In this sentence, 'coulon' again denotes a pigeon, emphasizing the observation of the bird.
J'ai vu un coulon passer devant la fenêtre ce matin.
I saw a pigeon pass in front of the window this morning.
The plural form 'coulons' is used here to refer to pigeons collectively, showcasing their nesting behavior.